typedcode_t value;
typedcode_list_t*value_list;
param_t* param;
- param_list_t* param_list;
- writeable_t writeable;
+ params_t params;
char*string;
+ constant_t*constant;
}
%token<token> T_GE ">="
%token<token> T_DIVBY "/="
%token<token> T_MODBY "%="
+%token<token> T_MULBY "*="
%token<token> T_PLUSBY "+="
%token<token> T_MINUSBY "-="
%token<token> T_SHRBY ">>="
%token<token> T_MINUSMINUS "--"
%token<token> T_PLUSPLUS "++"
%token<token> T_DOTDOT ".."
+%token<token> T_DOTDOTDOT "..."
%token<token> T_SHL "<<"
%token<token> T_USHR ">>>"
%token<token> T_SHR ">>"
%token<token> T_STAR '*'
%token<token> T_DOT '.'
-%type <token> X_IDENTIFIER
+%type <token> X_IDENTIFIER VARCONST
%type <code> CODE
%type <code> CODEPIECE
%type <code> CODEBLOCK MAYBECODE
%type <token> PACKAGE_DECLARATION
%type <token> FUNCTION_DECLARATION
-%type <code> VARIABLE_DECLARATION
+%type <code> VARIABLE_DECLARATION ONE_VARIABLE VARIABLE_LIST
%type <token> CLASS_DECLARATION
%type <token> NAMESPACE_DECLARATION
%type <token> INTERFACE_DECLARATION
%type <code> VOIDEXPRESSION
-%type <value> EXPRESSION
+%type <value> EXPRESSION NONCOMMAEXPRESSION
%type <value> MAYBEEXPRESSION
%type <value> E
-%type <writeable> LH
%type <value> CONSTANT
%type <code> FOR IF WHILE MAYBEELSE BREAK RETURN
%type <token> USE_NAMESPACE
-%type <code> ASSIGNMENT FOR_INIT
+%type <code> FOR_INIT
%type <token> IMPORT
%type <classinfo> MAYBETYPE
%type <token> GETSET
%type <param> PARAM
-%type <param_list> PARAM_LIST
-%type <param_list> MAYBE_PARAM_LIST
+%type <params> PARAM_LIST
+%type <params> MAYBE_PARAM_LIST
%type <token> MODIFIERS
%type <token> MODIFIER_LIST
+%type <constant> STATICCONSTANT MAYBESTATICCONSTANT
%type <classinfo_list> IMPLEMENTS_LIST
%type <classinfo> EXTENDS
%type <classinfo_list> EXTENDS_LIST
%left prec_none
%right '?' ':'
-%nonassoc '='
-%nonassoc "/=" "%="
-%nonassoc "+=" "-="
-%nonassoc ">>="
-%nonassoc "<<="
-%nonassoc ">>>="
-%nonassoc "||"
-%nonassoc "&&"
+%right '=' "/=" "%=" "*=" "+=" "-=" ">>=" "<<=" ">>>="
+%left "||"
+%left "&&"
%nonassoc '|'
%nonassoc '^'
%nonassoc '&'
%nonassoc "!=" "==" "===" "<=" '<' ">=" '>' // TODO: support "a < b < c" syntax?
%nonassoc "is"
+%left prec_belowminus
%left '-'
%left '+'
%left "<<"
a method (like initializing local registers) */
code_t*initcode;
- abc_method_body_t*m;
-
import_list_t*wildcard_imports;
dict_t*imports;
char has_own_imports;
/* class data */
- char*classname;
+ classinfo_t*clsinfo;
abc_class_t*cls;
+ code_t*cls_init;
+ code_t*cls_static_init;
+
+ /* method data */
+ memberinfo_t*minfo;
+ abc_method_body_t*m;
- array_t*vars;
- int local_var_base;
+ dict_t*vars;
+ char late_binding;
} state_t;
+typedef struct _global {
+ int variable_count;
+} global_t;
+
+static global_t*global = 0;
static state_t* state = 0;
DECLARE_LIST(state);
#define MULTINAME(m,x) multiname_t m;namespace_t m##_ns;registry_fill_multiname(&m, &m##_ns, x);
+/* warning: list length of namespace set is undefined */
+#define MULTINAME_LATE(m, access, package) \
+ namespace_t m##_ns = {access, package}; \
+ namespace_set_t m##_nsset; \
+ namespace_list_t m##_l;m##_l.next = 0; \
+ m##_nsset.namespaces = &m##_l; \
+ m##_nsset = m##_nsset; \
+ m##_l.namespace = &m##_ns; \
+ multiname_t m = {MULTINAMEL, 0, &m##_nsset, 0};
+
static state_list_t*state_stack=0;
+
+static void init_globals()
+{
+ global = rfx_calloc(sizeof(global_t));
+}
static void new_state()
{
memcpy(s, state, sizeof(state_t)); //shallow copy
sl->next = state_stack;
sl->state = s;
- if(oldstate) {
- s->local_var_base = array_length(oldstate->vars) + oldstate->local_var_base;
- }
if(!s->imports) {
s->imports = dict_new();
}
state_stack = sl;
state = s;
state->level++;
- state->vars = array_new();
+ state->vars = dict_new();
state->initcode = 0;
state->has_own_imports = 0;
}
}
void initialize_state()
{
+ init_globals();
new_state();
state->file = abc_file_new();
state->file->flags &= ~ABCFILE_LAZY;
state->init = abc_initscript(state->file, 0, 0);
- abc_method_body_t*m = state->init->method->body;
- __ getlocal_0(m);
- __ pushscope(m);
- __ findpropstrict(m, "[package]::trace");
- __ pushstring(m, "[entering global init function]");
- __ callpropvoid(m, "[package]::trace", 1);
+ code_t*c = state->init->method->body->code;
+
+ c = abc_getlocal_0(c);
+ c = abc_pushscope(c);
+
+ /* findpropstrict doesn't just return a scope object- it
+ also makes it "active" somehow. Push local_0 on the
+ scope stack and read it back with findpropstrict, it'll
+ contain properties like "trace". Trying to find the same
+ property on a "vanilla" local_0 yields only a "undefined" */
+ //c = abc_findpropstrict(c, "[package]::trace");
+
+ /*c = abc_getlocal_0(c);
+ c = abc_findpropstrict(c, "[package]::trace");
+ c = abc_coerce_a(c);
+ c = abc_setlocal_1(c);
+
+ c = abc_pushbyte(c, 0);
+ c = abc_setlocal_2(c);
+
+ code_t*xx = c = abc_label(c);
+ c = abc_findpropstrict(c, "[package]::trace");
+ c = abc_pushstring(c, "prop:");
+ c = abc_hasnext2(c, 1, 2);
+ c = abc_dup(c);
+ c = abc_setlocal_3(c);
+ c = abc_callpropvoid(c, "[package]::trace", 2);
+ c = abc_getlocal_3(c);
+ c = abc_kill(c, 3);
+ c = abc_iftrue(c,xx);*/
+
+ c = abc_findpropstrict(c, "[package]::trace");
+ c = abc_pushstring(c, "[entering global init function]");
+ c = abc_callpropvoid(c, "[package]::trace", 1);
+
+ state->init->method->body->code = c;
}
void* finalize_state()
{
syntaxerror("inner classes now allowed");
}
new_state();
- state->classname = name->text;
+ char*classname = name->text;
token_list_t*t=0;
classinfo_list_t*mlist=0;
syntaxerror("public classes only allowed inside a package");
}
- if(registry_findclass(package, state->classname)) {
- syntaxerror("Package \"%s\" already contains a class called \"%s\"", package, state->classname);
+ if(registry_findclass(package, classname)) {
+ syntaxerror("Package \"%s\" already contains a class called \"%s\"", package, classname);
}
- classinfo_t* classname = classinfo_register(access, package, state->classname);
+ state->clsinfo = classinfo_register(access, package, classname);
- MULTINAME(classname2,classname);
+ MULTINAME(classname2,state->clsinfo);
multiname_t*extends2 = sig2mname(extends);
+ /*if(extends) {
+ state->cls_init = abc_getlocal_0(state->cls_init);
+ state->cls_init = abc_constructsuper(state->cls_init, 0);
+ }*/
+
state->cls = abc_class_new(state->file, &classname2, extends2);
if(final) abc_class_final(state->cls);
if(sealed) abc_class_sealed(state->cls);
/* flash.display.MovieClip handling */
if(!globalclass && public && classinfo_equals(registry_getMovieClip(),extends)) {
if(state->package && state->package[0]) {
- globalclass = concat3str(state->package, ".", state->classname);
+ globalclass = concat3str(state->package, ".", classname);
} else {
- globalclass = strdup(state->classname);
+ globalclass = strdup(classname);
}
}
multiname_destroy(extends2);
static void endclass()
{
- /*printf("leaving class %s\n", state->classname);*/
- old_state();
-}
-static void startfunction(token_t*ns, token_t*mod, token_t*getset, token_t*name,
- param_list_t*params, classinfo_t*type)
-{
- token_list_t*t;
- new_state();
- state->function = name->text;
-
- /*printf("entering function %s\n", name->text);
- if(ns)
- printf(" namespace: %s\n", ns->text);
- printf(" getset: %s\n", getset->text);
- printf(" params: ");for(t=params->tokens;t;t=t->next) printf("%s ", t->token->text);printf("\n");
- printf(" mod: ");for(t=mod->tokens;t;t=t->next) printf("%s ", t->token->text);printf("\n");
- if(type)
- printf(" type: %s.%s\n", type->package, type->name);
- print_imports();*/
-
- if(state->m) {
- syntaxerror("not able to start another method scope");
- }
+ if(state->cls_init) {
+ if(!state->cls->constructor) {
+ abc_method_body_t*m = abc_class_constructor(state->cls, 0, 0);
+ m->code = code_append(m->code, state->cls_init);
+ m->code = abc_returnvoid(m->code);
+ } else {
+ code_t*c = state->cls->constructor->body->code;
+ c = code_append(state->cls_init, c);
+ state->cls->constructor->body->code = c;
- multiname_t*type2 = sig2mname(type);
- if(!strcmp(state->classname,name->text)) {
- state->m = abc_class_constructor(state->cls, type2, 0);
- } else {
- state->m = abc_class_method(state->cls, type2, name->text, 0);
- }
- param_list_t*p;
- for(p=params;p;p=p->next) {
- multiname_t*m = sig2mname(p->param->type);
- list_append(state->m->method->parameters, m);
+ }
}
-
- /* state->vars is initialized by state_new */
- array_append(state->vars, "this", 0);
- for(p=params;p;p=p->next) {
- array_append(state->vars, p->param->name, 0);
+ if(state->cls_static_init) {
+ if(!state->cls->static_constructor) {
+ abc_method_body_t*m = abc_class_staticconstructor(state->cls, 0, 0);
+ m->code = state->cls_static_init;
+ } else {
+ state->cls->static_constructor->body->code =
+ code_append(state->cls_static_init, state->cls->static_constructor->body->code);
+ }
}
- __ getlocal_0(state->m);
- __ pushscope(state->m);
-}
-static void endfunction()
-{
- /*printf("leaving function %s\n", state->function);*/
- __ returnvoid(state->m);
-
old_state();
}
-
static token_t* empty_token()
{
NEW(token_t,t);
list->text[l1+l2+l3]=0;
}
+typedef struct _variable {
+ int index;
+ classinfo_t*type;
+} variable_t;
+
static int find_variable(char*name, classinfo_t**m)
{
state_list_t* s = state_stack;
while(s) {
- int i = array_find(s->state->vars, name);
- if(i>=0) {
+ variable_t*v = dict_lookup(s->state->vars, name);
+ if(v) {
if(m) {
- *m = array_getvalue(s->state->vars, i);
+ *m = v->type;
}
- return i + s->state->local_var_base;
+ return v->index;
}
s = s->next;
}
}
static char variable_exists(char*name)
{
- return array_contains(state->vars, name);
+ return dict_lookup(state->vars, name)!=0;
}
static int new_variable(char*name, classinfo_t*type)
{
- return array_append(state->vars, name, type) + state->local_var_base;
+ NEW(variable_t, v);
+ v->index = global->variable_count;
+ v->type = type;
+ dict_put(state->vars, name, v);
+ return global->variable_count++;
+}
+#define TEMPVARNAME "__as3_temp__"
+static int gettempvar()
+{
+ int i = find_variable(TEMPVARNAME, 0);
+ if(i<0) {
+ return new_variable(TEMPVARNAME, 0);
+ } else {
+ return i;
+ }
}
+
code_t* killvars(code_t*c)
{
int t;
- for(t=0;t<state->vars->num;t++) {
- classinfo_t*type = array_getvalue(state->vars, t);
- //do this always, otherwise register types don't match
- //in the verifier when doing nested loops
- //if(!TYPE_IS_BUILTIN_SIMPLE(type)) {
- c = abc_kill(c, t+state->local_var_base);
- //}
+ for(t=0;t<state->vars->hashsize;t++) {
+ dictentry_t*e =state->vars->slots[t];
+ while(e) {
+ variable_t*v = (variable_t*)e->data;
+ //do this always, otherwise register types don't match
+ //in the verifier when doing nested loops
+ //if(!TYPE_IS_BUILTIN_SIMPLE(type)) {
+ c = abc_kill(c, v->index);
+ e = e->next;
+ }
}
return c;
}
+
+static void check_constant_against_type(classinfo_t*t, constant_t*c)
+{
+#define xassert(b) if(!(b)) syntaxerror("Invalid default value %s for type '%s'", constant_tostring(c), t->name)
+ if(TYPE_IS_NUMBER(t)) {
+ xassert(c->type == CONSTANT_FLOAT
+ || c->type == CONSTANT_INT
+ || c->type == CONSTANT_UINT);
+ } else if(TYPE_IS_UINT(t)) {
+ xassert(c->type == CONSTANT_UINT ||
+ (c->type == CONSTANT_INT && c->i>0));
+ } else if(TYPE_IS_INT(t)) {
+ xassert(c->type == CONSTANT_INT);
+ } else if(TYPE_IS_BOOLEAN(t)) {
+ xassert(c->type == CONSTANT_TRUE
+ || c->type == CONSTANT_FALSE);
+ }
+}
+
+static void startfunction(token_t*ns, token_t*mod, token_t*getset, token_t*name,
+ params_t*params, classinfo_t*type)
+{
+ token_list_t*t;
+ new_state();
+ global->variable_count = 0;
+ state->function = name->text;
+
+ if(state->m) {
+ syntaxerror("not able to start another method scope");
+ }
+
+ multiname_t*type2 = sig2mname(type);
+ if(!strcmp(state->clsinfo->name,name->text)) {
+ state->m = abc_class_constructor(state->cls, type2, 0);
+ } else {
+ state->minfo = memberinfo_register(state->clsinfo, name->text, MEMBER_METHOD);
+ state->minfo->return_type = type;
+ state->m = abc_class_method(state->cls, type2, name->text, 0);
+ // getslot on a member slot only returns "undefined", so no need
+ // to actually store these
+ //state->minfo->slot = state->m->method->trait->slot_id;
+ }
+ if(getset->type == KW_GET) {
+ state->m->method->trait->kind = TRAIT_GETTER;
+ }
+ if(getset->type == KW_SET) {
+ state->m->method->trait->kind = TRAIT_SETTER;
+ }
+ if(params->varargs) {
+ state->m->method->flags |= METHOD_NEED_REST;
+ }
+
+ char opt=0;
+ param_list_t*p=0;
+ for(p=params->list;p;p=p->next) {
+ if(params->varargs && !p->next) {
+ break; //varargs: omit last parameter in function signature
+ }
+ multiname_t*m = sig2mname(p->param->type);
+ list_append(state->m->method->parameters, m);
+ if(p->param->value) {
+ check_constant_against_type(p->param->type, p->param->value);
+ opt=1;list_append(state->m->method->optional_parameters, p->param->value);
+ } else if(opt) {
+ syntaxerror("non-optional parameter not allowed after optional parameters");
+ }
+ }
+
+ /* state->vars is initialized by state_new */
+ if(new_variable("this", state->clsinfo)!=0) syntaxerror("Internal error");
+
+ for(p=params->list;p;p=p->next) {
+ new_variable(p->param->name, p->param->type);
+ }
+}
+static void endfunction(code_t*body)
+{
+ code_t*c = 0;
+ if(state->late_binding) {
+ c = abc_getlocal_0(c);
+ c = abc_pushscope(c);
+ }
+ c = code_append(c, state->initcode);
+ c = code_append(c, body);
+
+ /* append return if necessary */
+ if(!c || c->opcode != OPCODE_RETURNVOID &&
+ c->opcode != OPCODE_RETURNVALUE)
+ c = abc_returnvoid(c);
+
+ if(state->m->code) syntaxerror("internal error");
+ state->m->code = c;
+ old_state();
+}
+
+
+
char is_subtype_of(classinfo_t*type, classinfo_t*supertype)
{
return 1; // FIXME
classinfo_t*join_types(classinfo_t*type1, classinfo_t*type2, char op)
{
- return registry_getanytype(); // FIXME
+ if(!type1 || !type2)
+ return registry_getanytype();
+ if(TYPE_IS_ANY(type1) || TYPE_IS_ANY(type2))
+ return registry_getanytype();
+ if(type1 == type2)
+ return type1;
+ return registry_getanytype();
}
code_t*converttype(code_t*c, classinfo_t*from, classinfo_t*to)
{
return c;
}
+char is_pushundefined(code_t*c)
+{
+ return (c && !c->prev && !c->next && c->opcode == OPCODE_PUSHUNDEFINED);
+}
+
+void parserassert(int b)
+{
+ if(!b) syntaxerror("internal error: assertion failed");
+}
+
+static code_t* toreadwrite(code_t*in, code_t*middlepart, char justassign, char readbefore)
+{
+ /* converts this:
+
+ [prefix code] [read instruction]
+
+ to this:
+
+ [prefix code] ([dup]) [read instruction] [middlepart] [setvar] [write instruction] [getvar]
+ */
+
+ if(in && in->opcode == OPCODE_COERCE_A) {
+ in = code_cutlast(in);
+ }
+ if(in->next)
+ syntaxerror("internal error");
+
+ /* chop off read instruction */
+ code_t*prefix = in;
+ code_t*r = in;
+ if(r->prev) {
+ prefix = r->prev;r->prev = 0;
+ prefix->next=0;
+ } else {
+ prefix = 0;
+ }
+
+ char use_temp_var = readbefore;
+
+ /* generate the write instruction, and maybe append a dup to the prefix code */
+ code_t* write = abc_nop(0);
+ if(r->opcode == OPCODE_GETPROPERTY) {
+ write->opcode = OPCODE_SETPROPERTY;
+ multiname_t*m = (multiname_t*)r->data[0];
+ write->data[0] = multiname_clone(m);
+ if(m->type != QNAME)
+ syntaxerror("illegal lvalue: can't assign a value to this expression (not a qname)");
+ if(!justassign) {
+ use_temp_var = 1;
+ prefix = abc_dup(prefix); // we need the object, too
+ }
+ } else if(r->opcode == OPCODE_GETSLOT) {
+ write->opcode = OPCODE_SETSLOT;
+ write->data[0] = r->data[0];
+ if(!justassign) {
+ use_temp_var = 1;
+ prefix = abc_dup(prefix); // we need the object, too
+ }
+ } else if(r->opcode == OPCODE_GETLOCAL) {
+ write->opcode = OPCODE_SETLOCAL;
+ write->data[0] = r->data[0];
+ } else if(r->opcode == OPCODE_GETLOCAL_0) {
+ write->opcode = OPCODE_SETLOCAL_0;
+ } else if(r->opcode == OPCODE_GETLOCAL_1) {
+ write->opcode = OPCODE_SETLOCAL_1;
+ } else if(r->opcode == OPCODE_GETLOCAL_2) {
+ write->opcode = OPCODE_SETLOCAL_2;
+ } else if(r->opcode == OPCODE_GETLOCAL_3) {
+ write->opcode = OPCODE_SETLOCAL_3;
+ } else {
+ code_dump(r, 0, 0, "", stdout);
+ syntaxerror("illegal lvalue: can't assign a value to this expression");
+ }
+ code_t* c = 0;
+
+ int temp = -1;
+ if(!justassign) {
+ if(use_temp_var) {
+ /* with getproperty/getslot, we have to be extra careful not
+ to execute the read code twice, as it might have side-effects
+ (e.g. if the property is in fact a setter/getter combination)
+
+ So read the value, modify it, and write it again,
+ using prefix only once and making sure (by using a temporary
+ register) that the return value is what we just wrote */
+ temp = gettempvar();
+ c = code_append(c, prefix);
+ c = code_append(c, r);
+ if(readbefore) {
+ c = abc_dup(c);
+ c = abc_setlocal(c, temp);
+ }
+ c = code_append(c, middlepart);
+ if(!readbefore) {
+ c = abc_dup(c);
+ c = abc_setlocal(c, temp);
+ }
+ c = code_append(c, write);
+ c = abc_getlocal(c, temp);
+ c = abc_kill(c, temp);
+ } else {
+ /* if we're allowed to execute the read code twice *and*
+ the middlepart doesn't modify the code, things are easier.
+ */
+ code_t* r2 = code_dup(r);
+ //c = code_append(c, prefix);
+ parserassert(!prefix);
+ c = code_append(c, r);
+ c = code_append(c, middlepart);
+ c = code_append(c, write);
+ c = code_append(c, r2);
+ }
+ } else {
+ /* even smaller version: overwrite the value without reading
+ it out first */
+ if(prefix) {
+ c = code_append(c, prefix);
+ c = abc_dup(c);
+ }
+ c = code_append(c, middlepart);
+ c = code_append(c, write);
+ c = code_append(c, r);
+ }
+
+ return c;
+}
+
+
%}
CODEPIECE: PACKAGE_DECLARATION {$$=code_new();/*enters a scope*/}
CODEPIECE: CLASS_DECLARATION {$$=code_new();/*enters a scope*/}
-CODEPIECE: INTERFACE_DECLARATION {/*TODO*/$$=code_new();}
+CODEPIECE: FUNCTION_DECLARATION {$$=code_new();/*enters a scope*/}
+CODEPIECE: INTERFACE_DECLARATION {$$=code_new();}
CODEPIECE: IMPORT {$$=code_new();/*adds imports to current scope*/}
CODEPIECE: ';' {$$=code_new();}
CODEPIECE: VARIABLE_DECLARATION {$$=$1}
CODEPIECE: BREAK {$$=$1}
CODEPIECE: RETURN {$$=$1}
CODEPIECE: IF {$$=$1}
-CODEPIECE: ASSIGNMENT {$$=$1}
CODEPIECE: NAMESPACE_DECLARATION {/*TODO*/$$=code_new();}
-CODEPIECE: FUNCTION_DECLARATION {/*TODO*/$$=code_new();}
CODEPIECE: USE_NAMESPACE {/*TODO*/$$=code_new();}
CODEBLOCK : '{' MAYBECODE '}' {$$=$2;}
CODEBLOCK : CODEPIECE ';' {$$=$1;}
CODEBLOCK : CODEPIECE %prec below_semicolon {$$=$1;}
-/* ------------ functions --------------------------- */
-
-FUNCTION_DECLARATION: MODIFIERS "function" GETSET T_IDENTIFIER '(' MAYBE_PARAM_LIST ')'
- MAYBETYPE '{' {startfunction(0,$1,$3,$4,$6,$8)} MAYBECODE '}' {
- if(!state->m) syntaxerror("internal error: undefined function");
- state->initcode = abc_nop(state->initcode);
- state->initcode = abc_nop(state->initcode);
- state->initcode = abc_nop(state->initcode);
- state->m->code = code_append(state->initcode, $11);state->initcode=0;
- endfunction()
-}
-
/* ------------ variables --------------------------- */
-MAYBEEXPRESSION : '=' EXPRESSION {$$=$2;}
+MAYBEEXPRESSION : '=' NONCOMMAEXPRESSION {$$=$2;}
| {$$.c=abc_pushundefined(0);
$$.t=TYPE_ANY;
}
VAR : "const" | "var"
-VARIABLE_DECLARATION : VAR T_IDENTIFIER MAYBETYPE MAYBEEXPRESSION {
+VARIABLE_DECLARATION : VAR VARIABLE_LIST {$$=$2;}
+
+VARIABLE_LIST: ONE_VARIABLE {$$ = $1;}
+VARIABLE_LIST: VARIABLE_LIST ',' ONE_VARIABLE {$$ = code_append($1, $3);}
+
+ONE_VARIABLE: {} T_IDENTIFIER MAYBETYPE MAYBEEXPRESSION
+{
if(variable_exists($2->text))
syntaxerror("Variable %s already defined", $2->text);
$$ = abc_setlocal($$, index);
}
- /* push default value for type on stack */
- state->initcode = defaultvalue(state->initcode, $3);
- state->initcode = abc_setlocal(state->initcode, index);
+ /* if this is a typed variable:
+ push default value for type on stack */
+ if($3) {
+ state->initcode = defaultvalue(state->initcode, $3);
+ state->initcode = abc_setlocal(state->initcode, index);
+ }
} else {
- /* only bother to actually set this variable if its syntax is either
- var x:type;
- or
- var x=expr;
- */
if($4.c->prev || $4.c->opcode != OPCODE_PUSHUNDEFINED) {
$$ = $4.c;
$$ = abc_coerce_a($$);
}*/
printf("variable %s -> %d (%s)\n", $2->text, index, $4.t?$4.t->name:"");
}
-ASSIGNMENT : T_IDENTIFIER '=' EXPRESSION {
- classinfo_t*type=0;
- int i = find_variable_safe($1->text, &type);
- $$ = $3.c;
- if(!type && $3.t) {
- // convert to "any" type, the register is untyped
- $$ = abc_coerce_a($$);
- } else {
- // TODO: convert ints to strings etc.
- }
- $$ = abc_setlocal($$, i);
-}
/* ------------ control flow ------------------------- */
}
FOR_INIT : {$$=code_new();}
-FOR_INIT : ASSIGNMENT | VARIABLE_DECLARATION | VOIDEXPRESSION
+FOR_INIT : VARIABLE_DECLARATION
+FOR_INIT : VOIDEXPRESSION
FOR : "for" '(' {new_state();} FOR_INIT ';' EXPRESSION ';' VOIDEXPRESSION ')' CODEBLOCK {
$$ = state->initcode;state->initcode=0;
$$=0;
}
-/* ------------ classes and interfaces -------------- */
+/* ------------ classes and interfaces (header) -------------- */
MODIFIERS : {$$=empty_token();}
MODIFIERS : MODIFIER_LIST {$$=$1}
'{' {startclass($1,$3,$4,$5, 0);}
MAYBE_DECLARATION_LIST
'}' {endclass();}
+
INTERFACE_DECLARATION : MODIFIERS "interface" T_IDENTIFIER
EXTENDS_LIST
'{' {startclass($1,$3,0,$4,1);}
MAYBE_IDECLARATION_LIST
'}' {endclass();}
+/* ------------ classes and interfaces (body) -------------- */
+
+MAYBE_DECLARATION_LIST :
+MAYBE_DECLARATION_LIST : DECLARATION_LIST
+DECLARATION_LIST : DECLARATION
+DECLARATION_LIST : DECLARATION_LIST DECLARATION
+DECLARATION : ';'
+DECLARATION : SLOT_DECLARATION
+DECLARATION : FUNCTION_DECLARATION
+
+/* ------------ classes and interfaces (body, slots ) ------- */
+
+VARCONST: "var" | "const"
+SLOT_DECLARATION: MODIFIERS VARCONST T_IDENTIFIER MAYBETYPE MAYBEEXPRESSION {
+
+ memberinfo_t* info = memberinfo_register(state->clsinfo, $3->text, MEMBER_SLOT);
+ info->type = $4;
+
+ trait_t*t=0;
+ if($4) {
+ MULTINAME(m, $4);
+ t=abc_class_slot(state->cls, $3->text, &m);
+ } else {
+ t=abc_class_slot(state->cls, $3->text, 0);
+ }
+ if($2->type==KW_CONST) {
+ t->kind= TRAIT_CONST;
+ }
+ info->slot = t->slot_id;
+ if($5.c && !is_pushundefined($5.c)) {
+ code_t*c = 0;
+ c = abc_getlocal_0(c);
+ c = code_append(c, $5.c);
+ c = converttype(c, $5.t, $4);
+ c = abc_setslot(c, t->slot_id);
+ //c = abc_setproperty(c, $3->text);
+ state->cls_init = code_append(state->cls_init, c);
+ }
+}
+
+/* ------------ constants -------------------------------------- */
+
+MAYBESTATICCONSTANT: {$$=0;}
+MAYBESTATICCONSTANT: '=' STATICCONSTANT {$$=$2;}
+
+STATICCONSTANT : T_BYTE {$$ = constant_new_int($1);}
+STATICCONSTANT : T_INT {$$ = constant_new_int($1);}
+STATICCONSTANT : T_UINT {$$ = constant_new_uint($1);}
+STATICCONSTANT : T_FLOAT {$$ = constant_new_float($1);}
+STATICCONSTANT : T_STRING {$$ = constant_new_string($1);}
+//STATICCONSTANT : T_NAMESPACE {$$ = constant_new_namespace($1);}
+STATICCONSTANT : KW_TRUE {$$ = constant_new_true($1);}
+STATICCONSTANT : KW_FALSE {$$ = constant_new_false($1);}
+STATICCONSTANT : KW_NULL {$$ = constant_new_null($1);}
+
+/* ------------ classes and interfaces (body, functions) ------- */
+
+// non-vararg version
+MAYBE_PARAM_LIST: {
+ memset(&$$,0,sizeof($$));
+}
+MAYBE_PARAM_LIST: PARAM_LIST {
+ $$=$1;
+}
+
+// vararg version
+MAYBE_PARAM_LIST: "..." PARAM {
+ memset(&$$,0,sizeof($$));
+ $$.varargs=1;
+ list_append($$.list, $2);
+}
+MAYBE_PARAM_LIST: PARAM_LIST ',' "..." PARAM {
+ $$ =$1;
+ $$.varargs=1;
+ list_append($$.list, $4);
+}
+
+// non empty
+PARAM_LIST: PARAM_LIST ',' PARAM {
+ $$ = $1;
+ list_append($$.list, $3);
+}
+PARAM_LIST: PARAM {
+ memset(&$$,0,sizeof($$));
+ list_append($$.list, $1);
+}
+PARAM: T_IDENTIFIER ':' TYPE MAYBESTATICCONSTANT {
+ $$ = malloc(sizeof(param_t));
+ $$->name=$1->text;
+ $$->type = $3;
+ $$->value = $4;
+}
+PARAM: T_IDENTIFIER MAYBESTATICCONSTANT {
+ $$ = malloc(sizeof(param_t));
+ $$->name=$1->text;$$->type = TYPE_ANY;
+}
+
+FUNCTION_DECLARATION: MODIFIERS "function" GETSET T_IDENTIFIER '(' MAYBE_PARAM_LIST ')'
+ MAYBETYPE '{' {startfunction(0,$1,$3,$4,&$6,$8)} MAYBECODE '}'
+{
+ if(!state->m) syntaxerror("internal error: undefined function");
+ endfunction($11);
+}
+
/* ------------- package + class ids --------------- */
CLASS: T_IDENTIFIER {
MAYBE_EXPRESSION_LIST : {$$=0;}
MAYBE_EXPRESSION_LIST : EXPRESSION_LIST
-EXPRESSION_LIST : EXPRESSION {$$=list_new();
+EXPRESSION_LIST : NONCOMMAEXPRESSION {$$=list_new();
typedcode_t*t = malloc(sizeof(typedcode_t));
*t = $1;
list_append($$, t);}
-EXPRESSION_LIST : EXPRESSION_LIST ',' EXPRESSION {$$=$1;
+EXPRESSION_LIST : EXPRESSION_LIST ',' NONCOMMAEXPRESSION {$$=$1;
typedcode_t*t = malloc(sizeof(typedcode_t));
*t = $3;
list_append($$, t);}
NEW : "new" CLASS MAYBE_PARAM_VALUES {
MULTINAME(m, $2);
$$.c = code_new();
+
+ /* TODO: why do we have to *find* our own classes? */
$$.c = abc_findpropstrict2($$.c, &m);
+
typedcode_list_t*l = $3;
int len = 0;
while(l) {
l = l->next;
len ++;
}
-
+
$$.c = $1.c;
+ if($$.c->opcode == OPCODE_COERCE_A) {
+ $$.c = code_cutlast($$.c);
+ }
+
+ $$.t = TYPE_ANY;
+ multiname_t*name = 0;
if($$.c->opcode == OPCODE_GETPROPERTY) {
- multiname_t*name = multiname_clone($$.c->data[0]);
+ name = multiname_clone($$.c->data[0]);
+ $$.c = code_cutlast($$.c);
+ $$.c = code_append($$.c, paramcode);
+ $$.c = abc_callproperty2($$.c, name, len);
+ } else if($$.c->opcode == OPCODE_GETSLOT) {
+ int slot = (int)(ptroff_t)$$.c->data[0];
+ trait_t*t = abc_class_find_slotid(state->cls,slot);//FIXME
+ if(t->kind!=TRAIT_METHOD) {
+ //flash allows to assign closures to members.
+ //syntaxerror("not a function");
+ }
+ name = t->name;
$$.c = code_cutlast($$.c);
$$.c = code_append($$.c, paramcode);
+ //$$.c = abc_callmethod($$.c, t->method, len); //#1051 illegal early access binding
$$.c = abc_callproperty2($$.c, name, len);
} else {
- int i = find_variable_safe("this", 0);
- $$.c = abc_getlocal($$.c, i);
+ $$.c = abc_getlocal_0($$.c);
$$.c = code_append($$.c, paramcode);
$$.c = abc_call($$.c, len);
}
- /* TODO: look up the functions's return value */
- $$.t = TYPE_ANY;
+
+ memberinfo_t*f = 0;
+
+ if(TYPE_IS_FUNCTION($1.t) &&
+ (f = registry_findmember($1.t, "call"))) {
+ $$.t = f->return_type;
+ } else {
+ $$.c = abc_coerce_a($$.c);
+ $$.t = TYPE_ANY;
+ }
}
RETURN: "return" %prec prec_none {
$$ = $2.c;
$$ = abc_returnvalue($$);
}
+// ----------------------- expression types -------------------------------------
-TYPE : QNAME {$$=$1;}
- | '*' {$$=registry_getanytype();}
- | "String" {$$=registry_getstringclass();}
- | "int" {$$=registry_getintclass();}
- | "uint" {$$=registry_getuintclass();}
- | "Boolean" {$$=registry_getbooleanclass();}
- | "Number" {$$=registry_getnumberclass();}
-
-MAYBETYPE: ':' TYPE {$$=$2;}
-MAYBETYPE: {$$=0;}
-
-//FUNCTION_HEADER: NAMESPACE MODIFIERS T_FUNCTION GETSET T_IDENTIFIER '(' PARAMS ')'
-FUNCTION_HEADER: MODIFIERS "function" GETSET T_IDENTIFIER '(' MAYBE_PARAM_LIST ')'
- MAYBETYPE
-
-NAMESPACE_DECLARATION : MODIFIERS KW_NAMESPACE T_IDENTIFIER
-NAMESPACE_DECLARATION : MODIFIERS KW_NAMESPACE T_IDENTIFIER '=' T_IDENTIFIER
-NAMESPACE_DECLARATION : MODIFIERS KW_NAMESPACE T_IDENTIFIER '=' T_STRING
-
-//NAMESPACE : {$$=empty_token();}
-//NAMESPACE : T_IDENTIFIER {$$=$1};
-
-CONSTANT : T_BYTE {$$.c = abc_pushbyte(0, $1);
- //MULTINAME(m, registry_getintclass());
- //$$.c = abc_coerce2($$.c, &m); // FIXME
- $$.t = TYPE_INT;
- }
-CONSTANT : T_SHORT {$$.c = abc_pushshort(0, $1);
- $$.t = TYPE_INT;
- }
-CONSTANT : T_INT {$$.c = abc_pushint(0, $1);
- $$.t = TYPE_INT;
- }
-CONSTANT : T_UINT {$$.c = abc_pushuint(0, $1);
- $$.t = TYPE_UINT;
- }
-CONSTANT : T_FLOAT {$$.c = abc_pushdouble(0, $1);
- $$.t = TYPE_FLOAT;
- }
-CONSTANT : T_STRING {$$.c = abc_pushstring(0, $1);
- $$.t = TYPE_STRING;
- }
-CONSTANT : KW_TRUE {$$.c = abc_pushtrue(0);
- $$.t = TYPE_BOOLEAN;
- }
-CONSTANT : KW_FALSE {$$.c = abc_pushfalse(0);
- $$.t = TYPE_BOOLEAN;
- }
-CONSTANT : KW_NULL {$$.c = abc_pushnull(0);
- $$.t = TYPE_NULL;
- }
-
-USE_NAMESPACE : "use" "namespace" T_IDENTIFIER
-
+NONCOMMAEXPRESSION : E %prec prec_belowminus {$$=$1;}
+EXPRESSION : E %prec prec_belowminus {$$ = $1;}
+EXPRESSION : EXPRESSION ',' E %prec prec_belowminus {
+ $$.c = $1.c;
+ $$.c = cut_last_push($$.c);
+ $$.c = code_append($$.c,$3.c);
+ $$.t = $3.t;
+}
+VOIDEXPRESSION : EXPRESSION %prec prec_belowminus {$$=cut_last_push($1.c);}
-EXPRESSION : E %prec prec_none /*precedence below '-x'*/ {$$ = $1;}
-VOIDEXPRESSION : E %prec prec_none {$$=$1.c;/*calculate and discard*/$$=abc_pop($$);}
+// ----------------------- expression evaluation -------------------------------------
E : CONSTANT
E : VAR_READ %prec T_IDENTIFIER {$$ = $1;}
$$.c = converttype($$.c, $1.t, $$.t);
$$.c = abc_dup($$.c);
code_t*jmp = $$.c = abc_iftrue($$.c, 0);
- $$.c = abc_pop($$.c);
+ $$.c = cut_last_push($$.c);
$$.c = code_append($$.c,$3.c);
- $$.c = converttype($$.c, $1.t, $$.t);
+ $$.c = converttype($$.c, $3.t, $$.t);
code_t*label = $$.c = abc_label($$.c);
jmp->branch = label;
}
-E : E "&&" E {$$.t = join_types($1.t, $3.t, 'A');
+E : E "&&" E {
+ $$.t = join_types($1.t, $3.t, 'A');
+ /*printf("%08x:\n",$1.t);
+ code_dump($1.c, 0, 0, "", stdout);
+ printf("%08x:\n",$3.t);
+ code_dump($3.c, 0, 0, "", stdout);
+ printf("joining %08x and %08x to %08x\n", $1.t, $3.t, $$.t);*/
$$.c = $1.c;
$$.c = converttype($$.c, $1.t, $$.t);
$$.c = abc_dup($$.c);
code_t*jmp = $$.c = abc_iffalse($$.c, 0);
- $$.c = abc_pop($$.c);
+ $$.c = cut_last_push($$.c);
$$.c = code_append($$.c,$3.c);
- $$.c = converttype($$.c, $1.t, $$.t);
+ $$.c = converttype($$.c, $3.t, $$.t);
code_t*label = $$.c = abc_label($$.c);
jmp->branch = label;
}
-E : E '.' T_IDENTIFIER
- {$$.c = $1.c;
- if($$.t) {
- namespace_t ns = {$$.t->access, (char*)$$.t->package};
- multiname_t m = {QNAME, &ns, 0, $3->text};
- $$.c = abc_getproperty2($$.c, &m);
- /* FIXME: get type of ($1.t).$3 */
- $$.t = registry_getanytype();
- } else {
- namespace_t ns = {ACCESS_PACKAGE, ""};
- multiname_t m = {QNAME, &ns, 0, $3->text};
- $$.c = abc_getproperty2($$.c, &m);
- $$.t = registry_getanytype();
- }
- }
-
E : '!' E {$$.c=$2.c;
$$.c = abc_not($$.c);
$$.t = TYPE_BOOLEAN;
E : '(' E ')' {$$=$2;}
E : '-' E {$$=$2;}
-E : LH "+=" E {$$.c = $1.read;$$.c=code_append($$.c,$3.c);$$.c=abc_add($$.c);
- classinfo_t*type = join_types($1.type, $3.t, '+');
- $$.c=converttype($$.c, type, $1.type);
- $$.c=abc_dup($$.c);$$.c=code_append($$.c,$1.write);
- $$.t = $1.type;
+E : E '[' E ']' {
+ $$.c = $1.c;
+ $$.c = code_append($$.c, $3.c);
+
+ MULTINAME_LATE(m, $1.t?$1.t->access:ACCESS_PACKAGE, "");
+ $$.c = abc_getproperty2($$.c, &m);
+}
+
+E : E "*=" E {
+ code_t*c = $3.c;
+ if(TYPE_IS_INT($3.t) || TYPE_IS_UINT($3.t)) {
+ c=abc_multiply_i(c);
+ } else {
+ c=abc_multiply(c);
+ }
+ c=converttype(c, join_types($1.t, $3.t, '*'), $1.t);
+ $$.c = toreadwrite($1.c, c, 0, 0);
+ $$.t = $1.t;
+ }
+E : E "%=" E {
+ code_t*c = abc_modulo($3.c);
+ c=converttype(c, join_types($1.t, $3.t, '%'), $1.t);
+ $$.c = toreadwrite($1.c, c, 0, 0);
+ $$.t = $1.t;
+ }
+E : E "<<=" E {
+ code_t*c = abc_lshift($3.c);
+ c=converttype(c, join_types($1.t, $3.t, '<'), $1.t);
+ $$.c = toreadwrite($1.c, c, 0, 0);
+ $$.t = $1.t;
+ }
+E : E ">>=" E {
+ code_t*c = abc_rshift($3.c);
+ c=converttype(c, join_types($1.t, $3.t, '>'), $1.t);
+ $$.c = toreadwrite($1.c, c, 0, 0);
+ $$.t = $1.t;
}
-E : LH "-=" E {$$.c = $1.read;$$.c=code_append($$.c,$3.c);$$.c=abc_add($$.c);
- classinfo_t*type = join_types($1.type, $3.t, '-');
- $$.c=converttype($$.c, type, $1.type);
- $$.c=abc_dup($$.c);$$.c=code_append($$.c,$1.write);
- $$.t = $1.type;
+E : E ">>>=" E {
+ code_t*c = abc_urshift($3.c);
+ c=converttype(c, join_types($1.t, $3.t, 'U'), $1.t);
+ $$.c = toreadwrite($1.c, c, 0, 0);
+ $$.t = $1.t;
}
+E : E "/=" E {
+ code_t*c = abc_divide($3.c);
+ c=converttype(c, join_types($1.t, $3.t, '/'), $1.t);
+ $$.c = toreadwrite($1.c, c, 0, 0);
+ $$.t = $1.t;
+ }
+E : E "+=" E {
+ code_t*c = $3.c;
+ if(TYPE_IS_INT($3.t) || TYPE_IS_UINT($3.t)) {
+ c=abc_add_i(c);
+ } else {
+ c=abc_add(c);
+ }
+ c=converttype(c, join_types($1.t, $3.t, '+'), $1.t);
+
+ $$.c = toreadwrite($1.c, c, 0, 0);
+ $$.t = $1.t;
+ }
+E : E "-=" E { code_t*c = $3.c;
+ if(TYPE_IS_INT($3.t) || TYPE_IS_UINT($3.t)) {
+ c=abc_subtract_i(c);
+ } else {
+ c=abc_subtract(c);
+ }
+ c=converttype(c, join_types($1.t, $3.t, '-'), $1.t);
+
+ $$.c = toreadwrite($1.c, c, 0, 0);
+ $$.t = $1.t;
+ }
+E : E '=' E { code_t*c = 0;
+ c = code_append(c, $3.c);
+ c = converttype(c, $3.t, $1.t);
+ $$.c = toreadwrite($1.c, c, 1, 0);
+ $$.t = $1.t;
+ }
// TODO: use inclocal where appropriate
-E : LH "++" {$$.c = $1.read;
- classinfo_t*type = $1.type;
+E : E "++" { code_t*c = 0;
+ classinfo_t*type = $1.t;
if(TYPE_IS_INT(type) || TYPE_IS_UINT(type)) {
- $$.c=abc_increment_i($$.c);
+ c=abc_increment_i(c);
} else {
- $$.c=abc_increment($$.c);
+ c=abc_increment(c);
type = TYPE_NUMBER;
}
- $$.c=converttype($$.c, type, $1.type);
- $$.c=abc_dup($$.c);$$.c=code_append($$.c,$1.write);
- $$.t = $1.type;
- }
-E : LH "--" {$$.c = $1.read;
- classinfo_t*type = $1.type;
+ c=converttype(c, type, $1.t);
+ $$.c = toreadwrite($1.c, c, 0, 1);
+ $$.t = $1.t;
+ }
+E : E "--" { code_t*c = 0;
+ classinfo_t*type = $1.t;
if(TYPE_IS_INT(type) || TYPE_IS_UINT(type)) {
- $$.c=abc_decrement_i($$.c);
+ c=abc_decrement_i(c);
} else {
- $$.c=abc_decrement($$.c);
+ c=abc_decrement(c);
type = TYPE_NUMBER;
}
- $$.c=converttype($$.c, type, $1.type);
- $$.c=abc_dup($$.c);$$.c=code_append($$.c,$1.write);
- $$.t = $1.type;
+ c=converttype(c, type, $1.t);
+ $$.c = toreadwrite($1.c, c, 0, 1);
+ $$.t = $1.t;
}
-LH: T_IDENTIFIER {
- int i = find_variable_safe($1->text, &$$.type);
- $$.read = abc_getlocal(0, i);
- $$.write = abc_setlocal(0, i);
-}
+E : "++" E { code_t*c = 0;
+ classinfo_t*type = $2.t;
+ if(TYPE_IS_INT(type) || TYPE_IS_UINT(type)) {
+ c=abc_increment_i(c);
+ } else {
+ c=abc_increment(c);
+ type = TYPE_NUMBER;
+ }
+ c=converttype(c, type, $2.t);
+ $$.c = toreadwrite($2.c, c, 0, 0);
+ $$.t = $2.t;
+ }
+
+E : "--" E { code_t*c = 0;
+ classinfo_t*type = $2.t;
+ if(TYPE_IS_INT(type) || TYPE_IS_UINT(type)) {
+ c=abc_decrement_i(c);
+ } else {
+ c=abc_decrement(c);
+ type = TYPE_NUMBER;
+ }
+ c=converttype(c, type, $2.t);
+ $$.c = toreadwrite($2.c, c, 0, 0);
+ $$.t = $2.t;
+ }
+E : E '.' T_IDENTIFIER
+ {$$.c = $1.c;
+ if($$.t) {
+ memberinfo_t*f = registry_findmember($$.t, $3->text);
+
+ if(f && f->slot) {
+ $$.c = abc_getslot($$.c, f->slot);
+ } else {
+ namespace_t ns = {$$.t->access, ""}; // needs to be "", not $$.t->package
+ multiname_t m = {QNAME, &ns, 0, $3->text};
+ $$.c = abc_getproperty2($$.c, &m);
+ }
+ /* determine type */
+ if(f) {
+ if(f->kind == MEMBER_METHOD) {
+ $$.t = TYPE_FUNCTION(f);
+ } else {
+ $$.t = f->type;
+ }
+ } else {
+ $$.c = abc_coerce_a($$.c);
+ $$.t = registry_getanytype();
+ }
+ } else {
+ namespace_t ns = {ACCESS_PACKAGE, ""};
+ multiname_t m = {QNAME, &ns, 0, $3->text};
+ $$.c = abc_getproperty2($$.c, &m);
+ $$.c = abc_coerce_a($$.c);
+ $$.t = registry_getanytype();
+ }
+ }
VAR_READ : T_IDENTIFIER {
$$.t = 0;
$$.c = 0;
- int i = find_variable($1->text, &$$.t);
- if(i>=0) {
+ int i;
+ memberinfo_t*f = 0;
+ if((i = find_variable($1->text, &$$.t)) >= 0) {
+ // $1 is a local variable
$$.c = abc_getlocal($$.c, i);
+ } else if((f = registry_findmember(state->clsinfo, $1->text))) {
+ // $1 is a function in this class
+ if(f->kind == MEMBER_METHOD) {
+ $$.t = TYPE_FUNCTION(f);
+ } else {
+ $$.t = f->type;
+ }
+ if(f->slot>0) {
+ $$.c = abc_getlocal_0($$.c);
+ $$.c = abc_getslot($$.c, f->slot);
+ } else {
+ namespace_t ns = {state->clsinfo->access, ""};
+ multiname_t m = {QNAME, &ns, 0, $1->text};
+ $$.c = abc_getlocal_0($$.c);
+ $$.c = abc_getproperty2($$.c, &m);
+ }
} else {
+ // let the avm2 resolve $1
+ if(strcmp($1->text,"trace"))
+ warning("Couldn't resolve %s, doing late binding", $1->text);
+ state->late_binding = 1;
+
$$.t = 0;
$$.c = abc_findpropstrict($$.c, $1->text);
$$.c = abc_getproperty($$.c, $1->text);
}
}
+
+// ------------------------------------------------------------------------------
+
+
+TYPE : QNAME {$$=$1;}
+ | '*' {$$=registry_getanytype();}
+ | "String" {$$=registry_getstringclass();}
+ | "int" {$$=registry_getintclass();}
+ | "uint" {$$=registry_getuintclass();}
+ | "Boolean" {$$=registry_getbooleanclass();}
+ | "Number" {$$=registry_getnumberclass();}
+
+MAYBETYPE: ':' TYPE {$$=$2;}
+MAYBETYPE: {$$=0;}
+
+//FUNCTION_HEADER: NAMESPACE MODIFIERS T_FUNCTION GETSET T_IDENTIFIER '(' PARAMS ')'
+FUNCTION_HEADER: MODIFIERS "function" GETSET T_IDENTIFIER '(' MAYBE_PARAM_LIST ')'
+ MAYBETYPE
+
+NAMESPACE_DECLARATION : MODIFIERS KW_NAMESPACE T_IDENTIFIER
+NAMESPACE_DECLARATION : MODIFIERS KW_NAMESPACE T_IDENTIFIER '=' T_IDENTIFIER
+NAMESPACE_DECLARATION : MODIFIERS KW_NAMESPACE T_IDENTIFIER '=' T_STRING
+
+//NAMESPACE : {$$=empty_token();}
+//NAMESPACE : T_IDENTIFIER {$$=$1};
+
+CONSTANT : T_BYTE {$$.c = abc_pushbyte(0, $1);
+ //MULTINAME(m, registry_getintclass());
+ //$$.c = abc_coerce2($$.c, &m); // FIXME
+ $$.t = TYPE_INT;
+ }
+CONSTANT : T_SHORT {$$.c = abc_pushshort(0, $1);
+ $$.t = TYPE_INT;
+ }
+CONSTANT : T_INT {$$.c = abc_pushint(0, $1);
+ $$.t = TYPE_INT;
+ }
+CONSTANT : T_UINT {$$.c = abc_pushuint(0, $1);
+ $$.t = TYPE_UINT;
+ }
+CONSTANT : T_FLOAT {$$.c = abc_pushdouble(0, $1);
+ $$.t = TYPE_FLOAT;
+ }
+CONSTANT : T_STRING {$$.c = abc_pushstring(0, $1);
+ $$.t = TYPE_STRING;
+ }
+CONSTANT : KW_TRUE {$$.c = abc_pushtrue(0);
+ $$.t = TYPE_BOOLEAN;
+ }
+CONSTANT : KW_FALSE {$$.c = abc_pushfalse(0);
+ $$.t = TYPE_BOOLEAN;
+ }
+CONSTANT : KW_NULL {$$.c = abc_pushnull(0);
+ $$.t = TYPE_NULL;
+ }
+
+USE_NAMESPACE : "use" "namespace" T_IDENTIFIER
+
+
//VARIABLE : T_IDENTIFIER
//VARIABLE : VARIABLE '.' T_IDENTIFIER
//VARIABLE : VARIABLE ".." T_IDENTIFIER // descendants
| "set" {$$=$1;}
| {$$=empty_token();}
-MAYBE_PARAM_LIST: {$$=list_new();}
-MAYBE_PARAM_LIST: PARAM_LIST {$$=$1;}
-PARAM_LIST: PARAM_LIST ',' PARAM {$$ =$1; list_append($$, $3);}
-PARAM_LIST: PARAM {$$ = list_new();list_append($$, $1);}
-PARAM: T_IDENTIFIER ':' TYPE {$$ = malloc(sizeof(param_t));
- $$->name=$1->text;$$->type = $3;}
-PARAM: T_IDENTIFIER {$$ = malloc(sizeof(param_t));
- $$->name=$1->text;$$->type = TYPE_ANY;}
-
-DECLARATION : VARIABLE_DECLARATION
-DECLARATION : FUNCTION_DECLARATION
-
IDECLARATION : VARIABLE_DECLARATION
IDECLARATION : FUNCTION_DECLARATION
QNAME_LIST : QNAME {$$=list_new();list_append($$, $1);}
QNAME_LIST : QNAME_LIST ',' QNAME {$$=$1;list_append($$,$3);}
-MAYBE_DECLARATION_LIST :
-MAYBE_DECLARATION_LIST : DECLARATION_LIST
-DECLARATION_LIST : DECLARATION
-DECLARATION_LIST : DECLARATION_LIST DECLARATION
MAYBE_IDECLARATION_LIST :
MAYBE_IDECLARATION_LIST : IDECLARATION_LIST